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Method for producing hard alloy cutter blade

A technology of cemented carbide blades and production methods, which is applied in the field of production of cemented carbide blades, can solve problems such as poor wear resistance, coarse crystal grains, and poor impact toughness of blades, and achieve improved impact toughness and wear resistance, and materials The effect of fine grains and elimination of internal air bubbles

Inactive Publication Date: 2013-02-06
佛山市南海区迈驰机械制造有限公司
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AI Technical Summary

Problems solved by technology

[0003] The cemented carbide blades produced by the existing method have coarse material grains and insufficient compact internal structure, so the blades have poor impact toughness, no impact resistance, poor wear resistance, and the blades wear out quickly during use. short service life

Method used

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  • Method for producing hard alloy cutter blade
  • Method for producing hard alloy cutter blade

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Embodiment Construction

[0012] specific implementation plan

[0013] like figure 1 As shown in , the prepared powder is pre-pressed into a circular slab to be pressed (5) of a certain thickness with a press, and then the slab to be pressed (5) is put into a circular graphite mold (7), The shape and size of the cavity of the graphite mold (7) are consistent with the shape and size of the slab (5), and the height of the cavity of the graphite mold (7) can be adjusted according to the inner height of the graphite heating element (9) Depending on the situation, the periphery of the graphite heating element is a heat shield (8) that can withstand high temperatures. The circular graphite lower pressure head (11) is placed on the bottom of the graphite mold (7), then one layer of slab to be pressed (5) is placed, and then a circular anti-stick interlayer made of carbon cloth is placed on the top ( 6), then put one deck of slab to be pressed on the top again, and put one deck of anti-adhesive interlayer (6...

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Abstract

The invention relates to a method for producing a hard alloy cutter blade, and the method comprises the following steps of firstly utilizing a two-directional oscillation hot-pressing method to produce a hard alloy plate or a hard alloy sheet with high performance, then linearly cutting the plate or the sheet into different cutter blanks with different model specifications, and finally processing the cutter blank through procedures such as electric spark perforating, grinding, edge opening, polishing, titanium coating and the like into a cutter blade. Compared with the cutter blade which is produced by traditional methods, the material tissue structure is compact, the crystal particle is fine, the performance of the material is greatly improved, specially the impact toughness and the wear resistance are greatly improved, and the requirements of a numerical-control machine tool and a machining center on cutting blades can be better met.

Description

Technical field [0001] The invention relates to a method for producing cemented carbide inserts, which are especially suitable for producing high-performance metal cutting inserts, and the inserts can be widely used in occasions requiring high tool quality such as numerical control machine tools and machining centers. Background technique [0002] At present, the known production method of cemented carbide blades is: adding metal powder prepared according to different formulas to resin or other binders for mixing, and molding the uniformly mixed materials into the shape of blades through a powder forming machine or other presses Finally, put it into a vacuum sintering furnace, or a hydrogen protection sintering furnace, or a vacuum-pressure sintering furnace or a hot isostatic press furnace for sintering, and then grind, sharpen, and polish the green body with blades to obtain the finished product blade. Some blades are also treated with titanium plating on the surface to i...

Claims

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Application Information

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IPC IPC(8): B23P15/28B22F7/08
Inventor 刘光海
Owner 佛山市南海区迈驰机械制造有限公司
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